> In response to "peter" <[EMAIL PROTECTED]>:
> > Hi,
> > My freebsd box runs the apache httpd2.0 server, postgresql8.1server,
> > Recently, I got the below info in /var/crash.
> > “Dump header from device /dev/da0s1b
> > Architecture: i386
> > Architecture Version: 2
> > Dump Length: 1073127424B (1023 MB)
> > Blocksize: 512
> > Dumptime: Wed Jan 17 16:39:08 2007
> > Hostname: myhost.mydomain.com
> > Magic: FreeBSD Kernel Dump
> > Version String: FreeBSD 6.0-RELEASE #0: Tue Apr 25 15:07:33 CST 2006
> > [EMAIL PROTECTED]:/usr/src/sys/i386/compile/MYKNL
> > Panic String: no pv entries: increase vm.pmap.shpgperproc
> > Dump Parity: 2383301964
> > Bounds: 49
> > Dump Status: good”
> > I had searched in google, but I didn’t know how to do.
> You _should_ be able to raise the vm.pmap.shpgperproc sysctl to prevent
> the problem -- but there doesn't seem to be any such sysctl. I'm not sure
> what's going on here, but it seems to me that a PR is in order.
I had ever added the line "kern.vm.pmap.shpgperproc=4096" to /boot/loader.conf
but it seems to be ineffective.
> Failing that, you could set the following in your kernel config:
> options PMAP_SHPGPERPROC=250
> and rebuild/reinstall your kernel.
> The default value is 200, so I expect 250 will be enough of a bump to
> fix the problem. If it's not, raise it a little higher and try again.
> I don't know of any way to tell exactly what this value should be other
> than trial and error. I've seen warnings that raising this value too
> high can result in an unbootable kernel, so take care to understand how
> to recover from the installation of an unbootable kernel.
How to know the default value?
The website on the box has about 22000 visits every day, so i think the
memory size maybe small.
I configured httpd.conf like this:
Thanks very much Bill
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